Atomic Theory

All matter is made of _________.

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

What is at the center of every atom?

• An electron
• A compound
• A molecule
• A nucleus

Tags

NGSS.MS-PS1-1

The positively charged particles of an atom are the ________.

• electrons
• protons
• neutrons
• protons & neutrons

Tags

NGSS.MS-PS1-1

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

Tags

NGSS.MS-PS1-1

Atoms are made up of ________________

• energy

• electrons

• subatomic particles

• gasses

Tags

NGSS.MS-PS1-1

The subatomic particles that make up an atom.

• solid, liquid, gas

• electrons, protons, nucleus

• energy, protons, nucleus

• electrons, protons, neutrons

Tags

NGSS.MS-PS1-1

__________ are negatively charged particles that are in the orbitals around the nucleus.

• protons

• nucleus

• neutrons

• electrons

Tags

NGSS.MS-PS1-1

Which is an electron?

• A
• B
• C

Tags

NGSS.MS-PS1-1

The nucleus of an atom can be described as:

• spacious and negatively charged
• dense and positively charged
• spacious and positively charged
• dense and negatively charged

Tags

NGSS.MS-PS1-1

True or False: The majority of an atom is made up of empty space

• True
• False

Tags

NGSS.MS-PS1-1